Although some artists used the technique to create original images ... effects that can be achieved with this difficult, time-consuming process. Drawing with Light offered a chronological survey of ...

A light-sensitive stylus wired to a video terminal used to draw pictures or select menu options. The user brings the pen to the desired point on screen and presses the pen button to make contact.

In Science Advances, the researchers report the discovery of an optical effect that allows them to “tune” the energy of electrons in these materials using light, and without ever having to touch the ...